wp-admin/import/livejournal.php

   1 <?php
   2 /**
   3  * LiveJournal Importer
   4  *
   5  * @package WordPress
   6  * @subpackage Importer
   7  */
   8
   9 /**
  10  * LiveJournal Importer class
  11  *
  12  * Imports your LiveJournal XML exported file into WordPress.
  13  *
  14  * @since unknown
  15  */
  16 class LJ_Import {
  17
  18         var $file;
  19
  20         function header() {
  21                 echo '<div class="wrap">';
  22                 screen_icon();
  23                 echo '<h2>'.__('Import LiveJournal').'</h2>';
  24         }
  25
  26         function footer() {
  27                 echo '</div>';
  28         }
  29
  30         function unhtmlentities($string) { // From php.net for < 4.3 compat
  31                 $trans_tbl = get_html_translation_table(HTML_ENTITIES);
  32                 $trans_tbl = array_flip($trans_tbl);
  33                 return strtr($string, $trans_tbl);
  34         }
  35
  36         function greet() {
  37                 echo '<div class="narrow">';
  38                 echo '<p>'.__('Howdy! Upload your LiveJournal XML export file and we&#8217;ll import the posts into this blog.').'</p>';
  39                 echo '<p>'.__('Choose a LiveJournal XML file to upload, then click Upload file and import.').'</p>';
  40                 wp_import_upload_form("admin.php?import=livejournal&amp;step=1");
  41                 echo '</div>';
  42         }
  43
  44         function import_posts() {
  45                 global $wpdb, $current_user;
  46
  47                 set_magic_quotes_runtime(0);
  48                 $importdata = file($this->file); // Read the file into an array
  49                 $importdata = implode('', $importdata); // squish it
  50                 $importdata = str_replace(array ("\r\n", "\r"), "\n", $importdata);
  51
  52                 preg_match_all('|<entry>(.*?)</entry>|is', $importdata, $posts);
  53                 $posts = $posts[1];
  54                 unset($importdata);
  55                 echo '<ol>';
  56                 foreach ($posts as $post) {
  57                         preg_match('|<subject>(.*?)</subject>|is', $post, $post_title);
  58                         $post_title = $wpdb->escape(trim($post_title[1]));
  59                         if ( empty($post_title) ) {
  60                                 preg_match('|<itemid>(.*?)</itemid>|is', $post, $post_title);
  61                                 $post_title = $wpdb->escape(trim($post_title[1]));
  62                         }
  63
  64                         preg_match('|<eventtime>(.*?)</eventtime>|is', $post, $post_date);
  65                         $post_date = strtotime($post_date[1]);
  66                         $post_date = date('Y-m-d H:i:s', $post_date);
  67
  68                         preg_match('|<event>(.*?)</event>|is', $post, $post_content);
  69                         $post_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($post_content[1]));
  70                         $post_content = $this->unhtmlentities($post_content);
  71
  72                         // Clean up content
  73                         $post_content = preg_replace_callback('|<(/?[A-Z]+)|', create_function('$match', 'return "<" . strtolower($match[1]);'), $post_content);
  74                         $post_content = str_replace('<br>', '<br />', $post_content);
  75                         $post_content = str_replace('<hr>', '<hr />', $post_content);
  76                         $post_content = $wpdb->escape($post_content);
  77
  78                         $post_author = $current_user->ID;
  79                         $post_status = 'publish';
  80
  81                         echo '<li>';
  82                         if ($post_id = post_exists($post_title, $post_content, $post_date)) {
  83                                 printf(__('Post <em>%s</em> already exists.'), stripslashes($post_title));
  84                         } else {
  85                                 printf(__('Importing post <em>%s</em>...'), stripslashes($post_title));
  86                                 $postdata = compact('post_author', 'post_date', 'post_content', 'post_title', 'post_status');
  87                                 $post_id = wp_insert_post($postdata);
  88                                 if ( is_wp_error( $post_id ) )
  89                                         return $post_id;
  90                                 if (!$post_id) {
  91                                         _e("Couldn't get post ID");
  92                                         echo '</li>';
  93                                         break;
  94                                 }
  95                         }
  96
  97                         preg_match_all('|<comment>(.*?)</comment>|is', $post, $comments);
  98                         $comments = $comments[1];
  99
 100                         if ( $comments ) {
 101                                 $comment_post_ID = (int) $post_id;
 102                                 $num_comments = 0;
 103                                 foreach ($comments as $comment) {
 104                                         preg_match('|<event>(.*?)</event>|is', $comment, $comment_content);
 105                                         $comment_content = str_replace(array ('<![CDATA[', ']]>'), '', trim($comment_content[1]));
 106                                         $comment_content = $this->unhtmlentities($comment_content);
 107
 108                                         // Clean up content
 109                                         $comment_content = preg_replace_callback('|<(/?[A-Z]+)|', create_function('$match', 'return "<" . strtolower($match[1]);'), $comment_content);
 110                                         $comment_content = str_replace('<br>', '<br />', $comment_content);
 111                                         $comment_content = str_replace('<hr>', '<hr />', $comment_content);
 112                                         $comment_content = $wpdb->escape($comment_content);
 113
 114                                         preg_match('|<eventtime>(.*?)</eventtime>|is', $comment, $comment_date);
 115                                         $comment_date = trim($comment_date[1]);
 116                                         $comment_date = date('Y-m-d H:i:s', strtotime($comment_date));
 117
 118                                         preg_match('|<name>(.*?)</name>|is', $comment, $comment_author);
 119                                         $comment_author = $wpdb->escape(trim($comment_author[1]));
 120
 121                                         preg_match('|<email>(.*?)</email>|is', $comment, $comment_author_email);
 122                                         $comment_author_email = $wpdb->escape(trim($comment_author_email[1]));
 123
 124                                         $comment_approved = 1;
 125                                         // Check if it's already there
 126                                         if (!comment_exists($comment_author, $comment_date)) {
 127                                                 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_date', 'comment_content', 'comment_approved');
 128                                                 $commentdata = wp_filter_comment($commentdata);
 129                                                 wp_insert_comment($commentdata);
 130                                                 $num_comments++;
 131                                         }
 132                                 }
 133                         }
 134                         if ( $num_comments ) {
 135                                 echo ' ';
 136                                 printf(__ngettext('(%s comment)', '(%s comments)', $num_comments), $num_comments);
 137                         }
 138                         echo '</li>';
 139                 }
 140                 echo '</ol>';
 141         }
 142
 143         function import() {
 144                 $file = wp_import_handle_upload();
 145                 if ( isset($file['error']) ) {
 146                         echo $file['error'];
 147                         return;
 148                 }
 149
 150                 $this->file = $file['file'];
 151                 $result = $this->import_posts();
 152                 if ( is_wp_error( $result ) )
 153                         return $result;
 154                 wp_import_cleanup($file['id']);
 155                 do_action('import_done', 'livejournal');
 156
 157                 echo '<h3>';
 158                 printf(__('All done. <a href="%s">Have fun!</a>'), get_option('home'));
 159                 echo '</h3>';
 160         }
 161
 162         function dispatch() {
 163                 if (empty ($_GET['step']))
 164                         $step = 0;
 165                 else
 166                         $step = (int) $_GET['step'];
 167
 168                 $this->header();
 169
 170                 switch ($step) {
 171                         case 0 :
 172                                 $this->greet();
 173                                 break;
 174                         case 1 :
 175                                 check_admin_referer('import-upload');
 176                                 $result = $this->import();
 177                                 if ( is_wp_error( $result ) )
 178                                         echo $result->get_error_message();
 179                                 break;
 180                 }
 181
 182                 $this->footer();
 183         }
 184
 185         function LJ_Import() {
 186                 // Nothing.
 187         }
 188 }
 189
 190 $livejournal_import = new LJ_Import();
 191
 192 register_importer('livejournal', __('LiveJournal'), __('Import posts from a LiveJournal XML export file.'), array ($livejournal_import, 'dispatch'));
 193 ?>